Neutrik

Neutrik NC3FX-B 3-Pin Female XLR Cable Connector Gold

5.0 (13 reviews)
XLR

Neutrik's NC3FX-B female XLR connector brings gold-contact reliability and Liechtenstein-built precision to every cable termination in your signal chain.

$5.21*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Neutrik NC3FX-B is a 3-pin female cable-mount XLR connector — the termination you solder onto the source end of a balanced microphone or line-level cable. Its gold-plated contacts are the key specification: gold resists oxidation where nickel or copper eventually develops a resistive layer, and in a balanced mic circuit where you're working with signals as low as -60 dBu, consistent contact resistance is the difference between a clean noise floor and intermittent artifacts that cost time to troubleshoot. The screwless 4-part design is a Neutrik hallmark — the housing assembles cleanly without additional hardware, and the chuck provides reliable cable strain relief when properly torqued. Manufactured in Liechtenstein to controlled tolerances, the connector holds its pin geometry and mating force specifications across thousands of connection cycles.

This connector is the standard choice for professional audio technicians building or rebuilding microphone cables, patch bay wiring, balanced insert loops, and stage snake terminations. It mates with any compliant 3-pin male XLR (stage boxes, preamp inputs, mixing console XLR jacks) and handles both mic-level and line-level balanced signals without modification. For a touring engineer who builds their own cables, the NC3FX-B is the repair kit staple — reliable enough that it's never the suspect when you're chasing an intermittent signal problem. For studio builders wiring a patchbay or loom, it's the connector that won't introduce a noise floor variable. It is, simply, the industry-standard female XLR connector, and it earns that status with consistent, verifiable quality.

Key Features

package Dimensions: 1.5 cms (L) x 5.0 cms (W) x 9.0 cms (H)

Package Quantity: 1

Product Type: Sound And Recording Equipment

Country Of Origin: Liechtenstein

Specifications

Connector Type
XLR Female, Cable Mount
Number of Pins
3
Contact Material
Gold-Plated
Housing Color
Black
Assembly Type
Screwless, 4-Part Design
Country of Origin
Liechtenstein
Package Quantity
1

Pros & Cons

👍 Pros

  • Gold-plated contacts deliver measurably lower and more stable contact resistance than nickel alternatives, maintaining signal integrity across repeated connect/disconnect cycles in touring and studio environments.
  • Screwless 4-part housing assembly allows clean, repeatable cable builds without requiring specialized tools beyond a soldering iron and basic hand assembly.
  • 3-pin female XLR is the universal balanced audio standard, ensuring the NC3FX-B mates reliably with every compliant male XLR connector regardless of manufacturer.
  • Manufactured in Liechtenstein to Neutrik's controlled tolerances, providing consistent mating force and pin geometry that generic connectors at lower price points cannot guarantee.
  • Durable black housing resists cosmetic wear and corrosion in stage and studio environments where connectors are regularly exposed to handling, sweat, and case storage.

👎 Cons

  • Requires soldering for proper assembly — not suitable for field repair by technicians without a soldering iron and appropriate heat management tools.
  • Single-unit packaging means bulk cable builds require purchasing in quantity, adding per-connector cost compared to buying in bags of 10 or 50.
  • The screwless design, while clean, requires careful alignment during housing assembly; rushing closure can misalign the chuck or shell and cause premature cable strain relief failure.
  • No color-coded variant options in this specific listing (the -B suffix denotes black housing only) — color-coded cable identification requires mixing with other NC3FX variants.
  • At the per-connector price point, the NC3FX-B is not the most cost-effective option for disposable patch cables or high-volume basic wiring — it is over-specified for non-critical utility runs.

Frequently Asked Questions

Gold contacts resist corrosion more effectively than nickel or bare copper, which matters in connectors that are plugged and unplugged repeatedly or stored in humid environments. Over hundreds of connection cycles — common in touring or studio rental gear — gold contacts maintain lower and more consistent contact resistance, reducing the risk of intermittent signal loss or noise that corroded contacts introduce at sensitive mic-level signal levels.
The NC3FX-B uses a screwless 4-part design. Assembly involves threading the cable through the shell, soldering the three conductors (Pin 1: ground/shield, Pin 2: positive/hot, Pin 3: negative/cold) to the contact block, then assembling the housing parts by hand. Soldering is required — this is not a tool-free crimp connector.
Yes — the 3-pin female XLR is the universal standard for balanced microphone and line-level audio connections. The NC3FX-B is the female cable-mount end (the "output" end that connects to mic inputs, preamp XLR jacks, and patch bays). It mates with any standard 3-pin male XLR connector regardless of brand.
Neutrik's manufacturing in Liechtenstein is part of the company's quality positioning — the connectors are produced under tightly controlled tolerances that distinguish them from lower-cost Asian-market equivalents. The housing dimensions and contact geometry are held to specifications that ensure consistent mating force and pin alignment across thousands of assembly cycles.
Yes — balanced XLR wiring is the same topology at both mic level and line level. The NC3FX-B handles both signal types without modification. Whether you're terminating a microphone cable, a balanced insert send, or a line output from a DI box, the wiring convention (Pin 2 hot, Pin 3 cold, Pin 1 ground) is identical.